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Biology: Functions of Sertoli Cells

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Questions and Answers

What is the primary function of the blood-testes barrier formed by Sertoli cells?

To stimulate the production of FSH
To regulate the temperature of the testes
To prevent the passage of immune cells into the testes (correct)
To allow the passage of testosterone into the testes

Which of the following hormones is secreted by Sertoli cells to regulate sperm production?

LH
Inhibin (correct)
Testosterone
FSH

What is the role of Sertoli cells in the process of spermatogenesis?

To secrete sperm into the epididymis
To mediate the effects of FSH on spermatogenesis (correct)
To produce testosterone
To stimulate the proliferation of spermatogonia

What is the fate of excess spermatids in the testes?

They are phagocytosed by Sertoli cells (A) Signup and view all the answers

What is the role of Sertoli cells in the development of spermatocytes?

They provide a nourishing environment for spermatocyte development (A) Signup and view all the answers

What is the role of Sertoli cells in regulating the effects of hormones on spermatogenesis?

Mediating the effects of testosterone and FSH (D) Signup and view all the answers

Which of the following is a result of phagocytosis by Sertoli cells?

Removal of excess spermatids (C) Signup and view all the answers

What is the role of inhibin, a hormone secreted by Sertoli cells?

Regulating sperm production by inhibiting FSH production (A) Signup and view all the answers

What is the function of the blood-testes barrier formed by Sertoli cells in relation to spermatocytes?

Protecting spermatocytes from the immune system (C) Signup and view all the answers

What is the relationship between Sertoli cells and spermatocytes?

Sertoli cells nourish spermatocytes (C) Signup and view all the answers

Study Notes

SERTOLI CELLS - form blood testes barrier - nourish spermatocytes - mediate the effects of testosterone and FSH on spermatogenesis - phagocytose excess spermatids - secrete the hormone inhibin which helps regulate sperm production by inhibiting production of FSH

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Description

This quiz covers the functions of Sertoli cells in the testes, including forming the blood-testes barrier, nourishing spermatocytes, and regulating sperm production. Learn about the roles of testosterone, FSH, and inhibin in spermatogenesis.